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UmbNavMenuBuilderService.cs
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UmbNavMenuBuilderService.cs
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using System;
using System.Collections.Generic;
using System.Linq;
using UmbNav.Core.Enums;
using UmbNav.Core.Interfaces;
using UmbNav.Core.Models;
using Microsoft.AspNetCore.Http;
using Umbraco.Cms.Core;
using Umbraco.Cms.Core.Web;
using Umbraco.Cms.Core.Models.PublishedContent;
using Umbraco.Cms.Core.PublishedCache;
using Umbraco.Extensions;
using Serilog;
namespace UmbNav.Core.Services
{
public class UmbNavMenuBuilderService : IUmbNavMenuBuilderService
{
private readonly IUmbracoContextAccessor _umbracoContextAccessor;
private readonly IPublishedSnapshotAccessor _publishedSnapshotAccessor;
private readonly IHttpContextAccessor _httpContextAccessor;
private readonly ILogger _logger;
public UmbNavMenuBuilderService(IPublishedSnapshotAccessor publishedSnapshotAccessor, ILogger logger, IHttpContextAccessor httpContextAccessor, IUmbracoContextAccessor umbracoContextAccessor)
{
_umbracoContextAccessor = umbracoContextAccessor;
_publishedSnapshotAccessor = publishedSnapshotAccessor;
_logger = logger;
_httpContextAccessor = httpContextAccessor;
}
public IEnumerable<UmbNavItem> BuildMenu(IEnumerable<UmbNavItem> items, int level = 0, bool removeNaviHideItems = false,
bool removeNoopener = false, bool removeNoreferrer = false, bool removeIncludeChildNodes = false, bool allowMenuItemDescriptions = false)
{
var umbNavItems = items.ToList();
var removeItems = new List<UmbNavItem>();
try
{
var isLoggedIn = _httpContextAccessor.HttpContext.User != null && _httpContextAccessor.HttpContext.User.Identity.IsAuthenticated;
var currentPublishedContentKey = Guid.Empty;
if (_umbracoContextAccessor.TryGetUmbracoContext(out var umbracoContext))
{
var currentPublishedContent = umbracoContext.PublishedRequest?.PublishedContent;
if (currentPublishedContent != null)
{
currentPublishedContentKey = currentPublishedContent.Key;
}
}
foreach (var item in umbNavItems)
{
if (item.HideLoggedIn && isLoggedIn || item.HideLoggedOut && !isLoggedIn)
{
removeItems.Add(item);
continue;
}
if (item.MenuItemType is "nolink" || item.DisplayAsLabel)
{
item.ItemType = UmbNavItemType.Label;
item.Anchor = null;
item.Url = null;
item.Target = null;
item.Noopener = null;
item.Noreferrer = null;
item.IncludeChildNodes = false;
item.Udi = null;
item.Key = Guid.Empty;
if (string.IsNullOrEmpty(item.Title) && !string.IsNullOrEmpty(item.Name))
{
item.Title = item.Name;
}
if (!allowMenuItemDescriptions)
{
item.Description = null;
}
//if (!item.DisplayAsLabel)
//{
// continue;
//}
}
var children = new List<UmbNavItem>();
if (item.Children != null && item.Children.Any())
{
foreach (var child in item.Children)
{
child.Parent = item;
}
children = item.Children.ToList();
}
if (item.Udi != null || item.Key != Guid.Empty)
{
IPublishedContent umbracoContent = null;
string currentCulture = null;
if (item.MenuItemType != "nolink")
{
if (_publishedSnapshotAccessor.TryGetPublishedSnapshot(out var publishedSnapshot))
{
if (item.Udi != null)
{
currentCulture = publishedSnapshot.Content.GetById(item.Udi)?.GetCultureFromDomains();
umbracoContent = publishedSnapshot.Content.GetById(item.Udi);
}
else if (item.Key != Guid.Empty)
{
currentCulture = publishedSnapshot.Content.GetById(item.Key)?.GetCultureFromDomains();
umbracoContent = publishedSnapshot.Content.GetById(item.Key);
}
}
}
if (umbracoContent != null)
{
if (!item.DisplayAsLabel)
{
item.ItemType = UmbNavItemType.Content;
}
item.Content = umbracoContent;
if (umbracoContent.Key == currentPublishedContentKey)
{
item.IsActive = true;
}
if (!umbracoContent.IsPublished() || removeNaviHideItems && !umbracoContent.IsVisible() || removeNaviHideItems && umbracoContent.HasProperty("umbracoNavihide") && umbracoContent.Value<bool>("umbracoNavihide"))
{
removeItems.Add(item);
continue;
}
if (removeNoopener)
{
item.Noopener = null;
}
if (removeNoreferrer)
{
item.Noreferrer = null;
}
if (string.IsNullOrWhiteSpace(item.Title))
{
item.Title = umbracoContent.Name(currentCulture);
}
if (!removeIncludeChildNodes && item.IncludeChildNodes && umbracoContent.Children != null && umbracoContent.Children.Any())
{
if (removeNaviHideItems)
{
children.AddRange(umbracoContent.Children.Where(x => x.IsVisible() || x.HasProperty("umbracoNavihide") && x.Value<bool>("umbracoNavihide")).Select(child => new UmbNavItem
{
Title = child.Name,
Key = child.Key,
Udi = new GuidUdi("document", child.Key),
ItemType = UmbNavItemType.Content,
Level = level + 1,
Url = child.Url(currentCulture),
IsActive = child.Key == currentPublishedContentKey
}));
}
else
{
children.AddRange(umbracoContent.Children.Select(child => new UmbNavItem
{
Title = child.Name,
Key = child.Key,
Udi = new GuidUdi("document", child.Key),
ItemType = UmbNavItemType.Content,
Level = level + 1,
Url = child.Url(currentCulture),
IsActive = child.Key == currentPublishedContentKey
}));
}
}
}
else
{
removeItems.Add(item);
}
}
if (item.ImageArray != null && item.ImageArray.Any())
{
item.Image = GetImageUrl(item);
}
if (children != null && children.Any())
{
var childItems = BuildMenu(children, level + 1, removeNaviHideItems).ToList();
if (!children.Equals(childItems))
{
children = childItems;
}
item.Children = children;
}
item.Level = level;
if (item.DisplayAsLabel && item.Content == null || item.MenuItemType is "link" && item.Content == null)
{
item.ItemType = UmbNavItemType.Link;
}
}
//items = items.Where(x => x.ItemType == UmbNavItemType.Link);
foreach (var removeItem in removeItems)
{
umbNavItems.Remove(removeItem);
}
return umbNavItems;
}
catch (Exception ex)
{
_logger.Error(ex, "Failed to build UmbNav");
return Enumerable.Empty<UmbNavItem>();
}
}
private IPublishedContent GetImageUrl(UmbNavItem item)
{
var image = item.ImageArray[0];
if (_publishedSnapshotAccessor.TryGetPublishedSnapshot(out var publishedSnapshot))
{
if (UdiParser.TryParse(image.Udi, out var imageUdi))
{
return publishedSnapshot.Media.GetById(imageUdi);
}
else if (item.Key != Guid.Empty)
{
return publishedSnapshot.Media.GetById(item.Key);
}
}
return null;
}
}
}